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https://github.com/kidfromjupiter/nearby.git
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46 lines
1.4 KiB
C++
46 lines
1.4 KiB
C++
// Copyright 2020 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef PLATFORM_IMPL_WINDOWS_ATOMIC_REFERENCE_H_
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#define PLATFORM_IMPL_WINDOWS_ATOMIC_REFERENCE_H_
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#include <atomic>
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#include <cstdint>
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#include "internal/platform/implementation/atomic_reference.h"
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namespace nearby {
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namespace windows {
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// Type that allows 32-bit atomic reads and writes.
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class AtomicUint32 : public api::AtomicUint32 {
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public:
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explicit AtomicUint32(std::uint32_t value = 0) : atomic_uint32_(value) {}
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~AtomicUint32() override = default;
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// Atomically reads and returns stored value.
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std::uint32_t Get() const override { return atomic_uint32_; };
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// Atomically stores value.
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void Set(std::uint32_t value) override { atomic_uint32_ = value; }
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private:
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std::atomic_int32_t atomic_uint32_ = 0;
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};
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} // namespace windows
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} // namespace nearby
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#endif // PLATFORM_IMPL_WINDOWS_ATOMIC_REFERENCE_H_
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